All species of rhino are in great danger of going the way of their ancestor, the Wooly. In fact, within the last 10 years, the Western black rhino and the Vietnamese Javan rhino have both been declared extinct due to the vicious poaching of their horns. So, let's bring the whole family back! We vote starting with the gorgeous Wooly, which was hunted into oblivion about 8,000 years ago by a few different early hominid species.